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Finding the Fourth Proportional to 8,840.61, 13,237.22 and 4,671.96

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Solution

The fourth proportional to 8,840.61, 13,237.22 and 4,671.96 is: 6,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.61 : 13,237.22 = 4,671.96 : x
  2. Step 2: Convert to fraction form
    8,840.61/13,237.22 = 4,671.96/x
  3. Step 3: Cross multiply
    8,840.61x = 13,237.22 × 4,671.96
  4. Step 4: Simplify right side
    8,840.61x = 61,843,738.99
  5. Step 5: Solve for x
    x = 61,843,738.99/8,840.61
  6. Step 6: Final answer
    x = 6,995.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.